Coding Decoding Worksheet
How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.
NameDateTime takenScore ___ / 40
- 1.If TREE is written as GIVV, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 2.If GOLD is written as DLOG, how is HAND written in the same code? (a) IBOE (b) CMZG (c) EOBI (d) DNAH
- 3.If RAIN is written as PKCT, how is BELL written in the same code? (a) LLEB (b) NNGD (c) DGNN (d) JJCZ
- 4.If BALL is written as LLAB, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 5.If KITE is written as PRGV, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 6.If HAND is written as SZMW, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
- 7.If BOOK is written as MQQD, how is DOG written in the same code? (a) IQF (b) FQI (c) GOD (d) EMB
- 8.If DRUM is written as MURD, how is KITE written in the same code? (a) ETIK (b) LJUF (c) FUJL (d) DSHJ
- 9.If LAMP is written as JYKN, how is FROG written in the same code? (a) HTQI (b) DPME (c) EQNF (d) COLD
- 10.If BELL is written as ADKK, how is SHIP written in the same code? (a) QFGN (b) RGHO (c) TIJQ (d) SHIP
- 11.If TOYS is written as UPZT, how is MOON written in the same code? (a) OQQP (b) NPPO (c) LNNM (d) OPPN
- 12.If LION is written as NOIL, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 13.If MOON is written as MNNL, how is CAKE written in the same code? (a) BZJD (b) FLBD (c) EKAC (d) DJZB
- 14.If BOOK is written as KOOB, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
- 15.If GOLD is written as TLOW, how is LAMP written in the same code? (a) MBNQ (b) PAOL (c) NYMJ (d) OZNK
- 16.If KITE is written as DSHJ, how is CAT written in the same code? (a) TAC (b) UBD (c) BZS (d) SZB
- 17.If JUMP is written as QFNK, how is SHIP written in the same code? (a) HSRK (b) GRQJ (c) ITSL (d) TIJQ
- 18.If BALL is written as ZYJJ, how is WIND written in the same code? (a) TFKA (b) VHMC (c) UGLB (d) YKPF
- 19.If PEN is written as MDO, how is DESK written in the same code? (a) KSED (b) CDRJ (c) JRDC (d) LTFE
- 20.If STAR is written as HGZI, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
- 21.If STAR is written as HGZI, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 22.If CAT is written as TAC, how is HAND written in the same code? (a) DNAH (b) IBOE (c) CMZG (d) EOBI
- 23.If TOYS is written as WRBV, how is PEN written in the same code? (a) SHQ (b) TIR (c) RGP (d) MBK
- 24.If GOLD is written as FNQI, how is STAR written in the same code? (a) UVCT (b) TCVU (c) PYRQ (d) RATS
- 25.If SHIP is written as VKLS, how is BELL written in the same code? (a) FIPP (b) DGNN (c) EHOO (d) YBII
- 26.If SHIP is written as HSRK, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 27.If CAT is written as XZG, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) GLBH (d) UPZT
- 28.If SHIP is written as UJKR, how is BOOK written in the same code? (a) DQQM (b) ERRN (c) ZMMI (d) CPPL
- 29.If MOON is written as NLLM, how is FISH written in the same code? (a) URHS (b) VSIT (c) TQGR (d) GJTI
- 30.If TREE is written as GIVV, how is PEN written in the same code? (a) JUL (b) QFO (c) KVM (d) LWN
- 31.If DESK is written as CDRJ, how is MILK written in the same code? (a) LHKJ (b) KGJI (c) NJML (d) MILK
- 32.If WIND is written as DRMW, how is MILK written in the same code? (a) NJML (b) OSPQ (c) MQNO (d) NROP
- 33.If MILK is written as NROP, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
- 34.If MILK is written as JKHL, how is HAND written in the same code? (a) GZMC (b) DNAH (c) CMZG (d) EOBI
- 35.If DESK is written as JRDC, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) LHKJ
- 36.If FROG is written as IQTH, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
- 37.If CAKE is written as FLBD, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 38.If LAMP is written as OZNK, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) YZOO (d) XYNN
- 39.If TOYS is written as SYOT, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 40.If KITE is written as IGRC, how is LION written in the same code? (a) KHNM (b) NKQP (c) JGML (d) IFLK
Answer key
- URHS
- DNAH
- NNGD
- GORF
- NLLM
- PRGV
- IQF
- ETIK
- DPME
- RGHO
- NPPO
- DLOG
- DJZB
- DLOG
- OZNK
- SZB
- HSRK
- UGLB
- JRDC
- NROP
- MVHG
- DNAH
- SHQ
- TCVU
- EHOO
- YLLP
- GLBH
- DQQM
- URHS
- KVM
- LHKJ
- NROP
- TLOW
- CMZG
- JKHL
- MNKO
- ITJG
- YZOO
- LLAB
- JGML
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